http://crossacademy.webgoo.us/feed/? Latest topics Wed, 27 May 2009 19:36:38 GMT 10 http://i86.servimg.com/u/f86/13/66/81/14/crossa11.jpg http://crossacademy.webgoo.us/feed/? http://crossacademy.webgoo.us/mrs-st-clair-f2/animal-notebook-t198.htm Katie 1. Sponge
2. Cnidarian
3. Planarian/Flatworm
4. Annelida
5. Spider
6.Mollusk
7. Fish
8.Reptile
9.Bird
10.Metamorphosis(Complete AND Incomplete)
11. Invertebrate Chordate]]> Mrs. St. Clair Wed, 27 May 2009 19:36:38 GMT http://crossacademy.webgoo.us/mrs-st-clair-f2/animal-notebook-t198.htm#198 http://crossacademy.webgoo.us/mrs-st-clair-f2/animal-notebook-t198.htm http://crossacademy.webgoo.us/ch-20-plant-diversity-f81/i-canplants-t197.htm Admin 1. Describe characteristics of plants from each plant division 2. Explain why plants are successful on land 3. Identify parts of: flowers, fruit, plant, and leaves 4. Explain the life cycles for moss, fens, angiosperms, and gymnosperms 5. Compare and contrast: Vascular and nonvascular Seedless and seed plants Monocots and dicots 6. Explain transpiration, translocation, and the function of xylem/phloem 7. Describe the three types of plant tissues 8. Explain ... Ch. 20- Plant Diversity Tue, 21 Apr 2009 17:28:26 GMT http://crossacademy.webgoo.us/ch-20-plant-diversity-f81/i-canplants-t197.htm#197 http://crossacademy.webgoo.us/ch-20-plant-diversity-f81/i-canplants-t197.htm http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/1-plant-tissues-are-made-of-three-basic-cell-types-t196.htm Admin -Plant cells have cell walls , plastids, and a large vacuole, all features animal cells don’t have Parenchyma Cells - Parenchyma cell- most common type of plant cell- stores starch, oils, and water for the plant - Have thin cell walls and a large water vacuole in the middle - Contain chloroplasts that house photosynthesis - Divide their entire lives, so they are used in healing Collenchyma Cells - Collenchyma cell- a cell with walls that range from thin to thick, providing ... 21.1- Plant Cells and Tissues Sun, 19 Apr 2009 14:49:15 GMT http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/1-plant-tissues-are-made-of-three-basic-cell-types-t196.htm#196 http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/1-plant-tissues-are-made-of-three-basic-cell-types-t196.htm http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/2-plant-organs-are-made-of-three-tissue-systems-t195.htm Admin -Plasmodesmata connect neighboring cells. They are strands of cytoplasm that pass through openings on cell walls and connect living cells -through plasmodesmata, cells share water, nutrients, and chemical signals Dermal Tissue System -dermal tissue- covers the outside of a plant and protects it in a variety of ways -live in parenchyma cells, nonwoody plants -may secrete a wax-coated substance that makes the cuticle -dermal tissue made of dead parenchyma cells makes up the outer ... 21.1- Plant Cells and Tissues Sun, 19 Apr 2009 14:48:44 GMT http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/2-plant-organs-are-made-of-three-tissue-systems-t195.htm#195 http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/2-plant-organs-are-made-of-three-tissue-systems-t195.htm http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/assesment-questions-t194.htm Admin 1. Describe three basic types of cells found within plants. 2. List two functions for each type of tissue system found in plants 3. The dermal tissue system has been compared to human skin. In what ways does this analogy hold true? 4. What structures in the human body provide a function similar to that of sclerenchyma cells in plants? Explain. 5. Plant cells have distinct differences from animal cells, such as cell walls, large vacuoles, and chloroplast. How are these differences useful ... 21.1- Plant Cells and Tissues Sun, 19 Apr 2009 14:48:17 GMT http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/assesment-questions-t194.htm#194 http://crossacademy.webgoo.us/211-plant-cells-and-tissues-f88/assesment-questions-t194.htm http://crossacademy.webgoo.us/212-the-vascular-system-f89/1-water-and-dissolved-minerals-move-through-xylem-t193.htm Admin Soon to be updated. 21.2- The Vascular System Sun, 19 Apr 2009 14:48:03 GMT http://crossacademy.webgoo.us/212-the-vascular-system-f89/1-water-and-dissolved-minerals-move-through-xylem-t193.htm#193 http://crossacademy.webgoo.us/212-the-vascular-system-f89/1-water-and-dissolved-minerals-move-through-xylem-t193.htm http://crossacademy.webgoo.us/212-the-vascular-system-f89/2-phloem-carries-sugars-from-photosynthesis-throughout-the-plant-t192.htm Admin Soon to be updated. 21.2- The Vascular System Sun, 19 Apr 2009 14:47:36 GMT http://crossacademy.webgoo.us/212-the-vascular-system-f89/2-phloem-carries-sugars-from-photosynthesis-throughout-the-plant-t192.htm#192 http://crossacademy.webgoo.us/212-the-vascular-system-f89/2-phloem-carries-sugars-from-photosynthesis-throughout-the-plant-t192.htm http://crossacademy.webgoo.us/212-the-vascular-system-f89/assesment-questions-t191.htm Admin Soon to be updated. 21.2- The Vascular System Sun, 19 Apr 2009 14:46:59 GMT http://crossacademy.webgoo.us/212-the-vascular-system-f89/assesment-questions-t191.htm#191 http://crossacademy.webgoo.us/212-the-vascular-system-f89/assesment-questions-t191.htm http://crossacademy.webgoo.us/213-roots-and-stems-f90/1-roots-anchor-plants-and-absorb-mineral-nutrients-from-soil-t190.htm Admin Soon to be updated. 21.3- Roots and Stems Sun, 19 Apr 2009 14:46:37 GMT http://crossacademy.webgoo.us/213-roots-and-stems-f90/1-roots-anchor-plants-and-absorb-mineral-nutrients-from-soil-t190.htm#190 http://crossacademy.webgoo.us/213-roots-and-stems-f90/1-roots-anchor-plants-and-absorb-mineral-nutrients-from-soil-t190.htm http://crossacademy.webgoo.us/213-roots-and-stems-f90/2-stems-support-plants-transport-materials-and-provide-storage-t189.htm Admin Soon to be updated. 21.3- Roots and Stems Sun, 19 Apr 2009 14:46:08 GMT http://crossacademy.webgoo.us/213-roots-and-stems-f90/2-stems-support-plants-transport-materials-and-provide-storage-t189.htm#189 http://crossacademy.webgoo.us/213-roots-and-stems-f90/2-stems-support-plants-transport-materials-and-provide-storage-t189.htm http://crossacademy.webgoo.us/213-roots-and-stems-f90/assesment-questions-t188.htm Admin Soon to be updated. 21.3- Roots and Stems Sun, 19 Apr 2009 14:45:37 GMT http://crossacademy.webgoo.us/213-roots-and-stems-f90/assesment-questions-t188.htm#188 http://crossacademy.webgoo.us/213-roots-and-stems-f90/assesment-questions-t188.htm http://crossacademy.webgoo.us/214-leaves-f91/1-most-leaves-share-some-similar-structures-t187.htm Admin Soon to be updated. 21.4- Leaves Sun, 19 Apr 2009 14:45:06 GMT http://crossacademy.webgoo.us/214-leaves-f91/1-most-leaves-share-some-similar-structures-t187.htm#187 http://crossacademy.webgoo.us/214-leaves-f91/1-most-leaves-share-some-similar-structures-t187.htm http://crossacademy.webgoo.us/214-leaves-f91/2-most-leaves-are-specialized-systems-for-photosynthesis-t186.htm Admin Soon to be updated. 21.4- Leaves Sun, 19 Apr 2009 14:44:43 GMT http://crossacademy.webgoo.us/214-leaves-f91/2-most-leaves-are-specialized-systems-for-photosynthesis-t186.htm#186 http://crossacademy.webgoo.us/214-leaves-f91/2-most-leaves-are-specialized-systems-for-photosynthesis-t186.htm http://crossacademy.webgoo.us/214-leaves-f91/assesment-questions-t185.htm Admin Soon to be updated. 21.4- Leaves Sun, 19 Apr 2009 14:44:16 GMT http://crossacademy.webgoo.us/214-leaves-f91/assesment-questions-t185.htm#185 http://crossacademy.webgoo.us/214-leaves-f91/assesment-questions-t185.htm http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/1-land-plants-evolved-from-grren-algae-t184.htm Admin Soon to be updated. 20.1- Orignins of Plant Life Sun, 19 Apr 2009 14:43:30 GMT http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/1-land-plants-evolved-from-grren-algae-t184.htm#184 http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/1-land-plants-evolved-from-grren-algae-t184.htm http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/2-plants-have-adaptations-that-allow-them-to-live-on-land-t183.htm Admin Soon to be updated. 20.1- Orignins of Plant Life Sun, 19 Apr 2009 14:43:07 GMT http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/2-plants-have-adaptations-that-allow-them-to-live-on-land-t183.htm#183 http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/2-plants-have-adaptations-that-allow-them-to-live-on-land-t183.htm http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/3-plants-evolve-with-other-organsims-in-their-environment-t182.htm Admin Soon to be updated. 20.1- Orignins of Plant Life Sun, 19 Apr 2009 14:42:38 GMT http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/3-plants-evolve-with-other-organsims-in-their-environment-t182.htm#182 http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/3-plants-evolve-with-other-organsims-in-their-environment-t182.htm http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/assesment-questions-t181.htm Admin Soon to be updated. 20.1- Orignins of Plant Life Sun, 19 Apr 2009 14:42:05 GMT http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/assesment-questions-t181.htm#181 http://crossacademy.webgoo.us/201-orignins-of-plant-life-f84/assesment-questions-t181.htm http://crossacademy.webgoo.us/202-classification-of-plants-f85/1-mosses-and-their-relatives-are-seedless-nonvascular-plants-t180.htm Admin Liverworts

Hornworts


Mosses]]> 20.2- Classification of Plants Sun, 19 Apr 2009 14:41:47 GMT http://crossacademy.webgoo.us/202-classification-of-plants-f85/1-mosses-and-their-relatives-are-seedless-nonvascular-plants-t180.htm#180 http://crossacademy.webgoo.us/202-classification-of-plants-f85/1-mosses-and-their-relatives-are-seedless-nonvascular-plants-t180.htm http://crossacademy.webgoo.us/202-classification-of-plants-f85/2-club-mosses-and-ferns-are-seedless-vascular-plants-t179.htm Admin Soon to be updated. 20.2- Classification of Plants Sun, 19 Apr 2009 14:41:01 GMT http://crossacademy.webgoo.us/202-classification-of-plants-f85/2-club-mosses-and-ferns-are-seedless-vascular-plants-t179.htm#179 http://crossacademy.webgoo.us/202-classification-of-plants-f85/2-club-mosses-and-ferns-are-seedless-vascular-plants-t179.htm http://crossacademy.webgoo.us/202-classification-of-plants-f85/3-seed-plants-include-cone-bearing-plants-and-flowering-plants-t178.htm Admin Soon to be updated. 20.2- Classification of Plants Sun, 19 Apr 2009 14:40:17 GMT http://crossacademy.webgoo.us/202-classification-of-plants-f85/3-seed-plants-include-cone-bearing-plants-and-flowering-plants-t178.htm#178 http://crossacademy.webgoo.us/202-classification-of-plants-f85/3-seed-plants-include-cone-bearing-plants-and-flowering-plants-t178.htm http://crossacademy.webgoo.us/202-classification-of-plants-f85/assesment-questions-t176.htm Admin Soon to be updated. 20.2- Classification of Plants Sun, 19 Apr 2009 14:38:40 GMT http://crossacademy.webgoo.us/202-classification-of-plants-f85/assesment-questions-t176.htm#176 http://crossacademy.webgoo.us/202-classification-of-plants-f85/assesment-questions-t176.htm http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/1-flowering-plants-have-unique-adaptations-that-allow-them-to-dominate-in-today-s-world-t175.htm Admin -insects transfer pollen from plant to plant- more sure way of pollination, so less pollen needs to be made

Fruit and Seed Dispersal
- fruit- mature ovary of a flower
- animals eat seeds and digest them, redistributing them with fecal fertilizer]]> 20.3- Diversity of Flowering Plants Sun, 19 Apr 2009 14:38:25 GMT http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/1-flowering-plants-have-unique-adaptations-that-allow-them-to-dominate-in-today-s-world-t175.htm#175 http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/1-flowering-plants-have-unique-adaptations-that-allow-them-to-dominate-in-today-s-world-t175.htm http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/2-botanists-classify-flowering-plants-into-two-groups-based-on-seed-type-t174.htm Admin -cotyledon- embryonic leaf inside a seed

Monocots
-one cotyledon
-parallel veins
-flower parts in multiples of 3
-scattered vascular tissue

Dicots
-two cotyledons
-net like veins
-flowering parts in multiplies of 2, 4, or, 5]]> 20.3- Diversity of Flowering Plants Sun, 19 Apr 2009 14:37:39 GMT http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/2-botanists-classify-flowering-plants-into-two-groups-based-on-seed-type-t174.htm#174 http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/2-botanists-classify-flowering-plants-into-two-groups-based-on-seed-type-t174.htm http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/3-flowering-plants-are-also-categorized-by-stem-type-and-lifespan-t173.htm Admin -wood- fibrous materials made up of dead cells that are part of the vascular system
-woody stems are made by lignin and cellulose
-non woody plants are called herbaceous plants (ex. Cucumbers, cacti, marigolds)

Three types of lifespans
-Annual- mature and die in one year (ex. Zinnias)
-Biennial- take 2 years to complete their life cycle (ex. Carrots)
-Perennial- live 2+ years (ex. Trees)]]> 20.3- Diversity of Flowering Plants Sun, 19 Apr 2009 14:37:04 GMT http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/3-flowering-plants-are-also-categorized-by-stem-type-and-lifespan-t173.htm#173 http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/3-flowering-plants-are-also-categorized-by-stem-type-and-lifespan-t173.htm http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/assesment-questions-t172.htm Admin 1. What adaptations give flowering plants a reproductive advantage over gymnosperms? 2. What are the primary differences between monocots and dicots? 3. Name three ways in which flowering plants can be categorized. 4. In what ways does pollination in gymnosperms differ from pollination in angiosperms? 5. How would you take plant lifespan type into account when planning a garden? 6. The fossil record reveals a mass extinction at the end of the Cretaceous period. Discuss why mass extinctions ... 20.3- Diversity of Flowering Plants Sun, 19 Apr 2009 14:36:24 GMT http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/assesment-questions-t172.htm#172 http://crossacademy.webgoo.us/203-diversity-of-flowering-plants-f86/assesment-questions-t172.htm http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/1-agriculture-porvides-stable-food-supplies-for-people-in-permanent-settlements-t171.htm Admin botany- study of plants
-ethobotany- study of how people in different culture use plants
- most of human history was hunting and gathering, which needed a good understanding of botany
-plants were intentionally harvested 10,000 years ago
-eventually, farmers sold cash crops, became economy]]> 20.4- Plants in Human Culture Sun, 19 Apr 2009 14:36:00 GMT http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/1-agriculture-porvides-stable-food-supplies-for-people-in-permanent-settlements-t171.htm#171 http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/1-agriculture-porvides-stable-food-supplies-for-people-in-permanent-settlements-t171.htm http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/2-plant-products-are-important-economic-resources-t170.htm Admin -spices were so valuable in middle ages that they were used as currency
-great discoveries by Columbus, Magellan, and da Gama were made as these men tried to find a spice route from Europe to Asia
- plants are now sold on global levels and make billions of dollars
- paper and textiles and lumber are plant-derived industries]]> 20.4- Plants in Human Culture Sun, 19 Apr 2009 14:35:18 GMT http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/2-plant-products-are-important-economic-resources-t170.htm#170 http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/2-plant-products-are-important-economic-resources-t170.htm http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/3-plant-compounds-are-essential-to-modern-medicine-t169.htm Admin -pharmacology is the study of drugs and their effects on the body -drugs come from plants -traditional uses haven't changed. EX- Egyptian first discovered the uses of Aloe Vera that we still use today -scientists are finding new uses for old plant medicines EX Native Americans used Pacific Yew, now it is used against cancer - salicin comes from willow trees and is used in aspirin - alkaloids- potent plant chemicals that contain nitrogen -interfering with cell division can cause alkaloids ... 20.4- Plants in Human Culture Sun, 19 Apr 2009 14:34:47 GMT http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/3-plant-compounds-are-essential-to-modern-medicine-t169.htm#169 http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/3-plant-compounds-are-essential-to-modern-medicine-t169.htm http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/assesment-questions-t168.htm Admin 1. How has agriculture affected the day-to-day life of humans? 2. In what ways are plant and important part of our culture today? 3. Why is a knowledge of plants so important to pharmacology? 4. How did the average person's knowledge of plants change in societies that adopted agriculture? 5. Aside from food and medicine, in what ways are plants used in your life? 6. Many plants harvested for medicinal purposes grow in rain forests of developing countries. How might this fact affect ... 20.4- Plants in Human Culture Sun, 19 Apr 2009 14:34:14 GMT http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/assesment-questions-t168.htm#168 http://crossacademy.webgoo.us/204-plants-in-human-culture-f87/assesment-questions-t168.htm http://crossacademy.webgoo.us/221-plant-life-cycles-f92/1-plant-life-cycles-alternate-between-producing-spores-and-gametes-t167.htm Admin Soon to be updated. 22.1- Plant Life Cycles Sun, 19 Apr 2009 14:23:45 GMT http://crossacademy.webgoo.us/221-plant-life-cycles-f92/1-plant-life-cycles-alternate-between-producing-spores-and-gametes-t167.htm#167 http://crossacademy.webgoo.us/221-plant-life-cycles-f92/1-plant-life-cycles-alternate-between-producing-spores-and-gametes-t167.htm http://crossacademy.webgoo.us/221-plant-life-cycles-f92/2-life-cycle-phases-look-different-among-various-plant-groups-t166.htm Admin Soon to be updated. 22.1- Plant Life Cycles Sun, 19 Apr 2009 14:23:14 GMT http://crossacademy.webgoo.us/221-plant-life-cycles-f92/2-life-cycle-phases-look-different-among-various-plant-groups-t166.htm#166 http://crossacademy.webgoo.us/221-plant-life-cycles-f92/2-life-cycle-phases-look-different-among-various-plant-groups-t166.htm http://crossacademy.webgoo.us/221-plant-life-cycles-f92/assesment-questions-t165.htm Admin Soon to be updated. 22.1- Plant Life Cycles Sun, 19 Apr 2009 14:22:32 GMT http://crossacademy.webgoo.us/221-plant-life-cycles-f92/assesment-questions-t165.htm#165 http://crossacademy.webgoo.us/221-plant-life-cycles-f92/assesment-questions-t165.htm http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/1-flower-contain-reproductive-organs-protected-by-specialized-leaves-t164.htm Admin Soon to be updated. 22.2- Reproduction in Flowering Plants Sun, 19 Apr 2009 14:22:03 GMT http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/1-flower-contain-reproductive-organs-protected-by-specialized-leaves-t164.htm#164 http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/1-flower-contain-reproductive-organs-protected-by-specialized-leaves-t164.htm http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/2-flowering-plants-can-be-pollinated-by-wind-or-animals-t163.htm Admin Soon to be updated. 22.2- Reproduction in Flowering Plants Sun, 19 Apr 2009 14:21:19 GMT http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/2-flowering-plants-can-be-pollinated-by-wind-or-animals-t163.htm#163 http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/2-flowering-plants-can-be-pollinated-by-wind-or-animals-t163.htm http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/3-fertilization-takes-place-within-the-flower-t162.htm Admin Soon to be updated. 22.2- Reproduction in Flowering Plants Sun, 19 Apr 2009 14:20:47 GMT http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/3-fertilization-takes-place-within-the-flower-t162.htm#162 http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/3-fertilization-takes-place-within-the-flower-t162.htm http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/assesment-questions-t161.htm Admin Soon to be updated. 22.2- Reproduction in Flowering Plants Sun, 19 Apr 2009 14:19:56 GMT http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/assesment-questions-t161.htm#161 http://crossacademy.webgoo.us/222-reproduction-in-flowering-plants-f93/assesment-questions-t161.htm http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/1-animals-wind-and-water-can-spread-seeds-t160.htm Admin Soon to be updated. 22.3- Seed Dispersal and Germination Sun, 19 Apr 2009 14:19:14 GMT http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/1-animals-wind-and-water-can-spread-seeds-t160.htm#160 http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/1-animals-wind-and-water-can-spread-seeds-t160.htm http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/2-seeds-begin-to-grow-when-environmental-conditions-are-favorable-t159.htm Admin Soon to be updated. 22.3- Seed Dispersal and Germination Sun, 19 Apr 2009 14:18:46 GMT http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/2-seeds-begin-to-grow-when-environmental-conditions-are-favorable-t159.htm#159 http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/2-seeds-begin-to-grow-when-environmental-conditions-are-favorable-t159.htm http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/assesment-questions-t158.htm Admin Soon to be updated. 22.3- Seed Dispersal and Germination Sun, 19 Apr 2009 14:18:03 GMT http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/assesment-questions-t158.htm#158 http://crossacademy.webgoo.us/223-seed-dispersal-and-germination-f94/assesment-questions-t158.htm http://crossacademy.webgoo.us/224-asexual-reproduction-f95/1-plants-can-reproduce-asexually-with-stems-leaves-or-roots-t157.htm Admin a.Regeneration: process by which a new plant can grow from a fragment of a non-reproductive structure (roots, stem, leaves) (Ex) cacti b.Vegetative reproduction: asexual reproduction in which stems, leaves, roots attach to the parent plant produce new individuals (Ex) large forests (aspen trees :Utah) c.Structures for Vegetative reproduction 1.Stolons: plants sending out stems that grow horizontally along the ground (ex. strawberries) 2.Rhizomes: horizontal underground stems 3.Tubers: ... 22.4- Asexual Reproduction Sun, 19 Apr 2009 14:17:16 GMT http://crossacademy.webgoo.us/224-asexual-reproduction-f95/1-plants-can-reproduce-asexually-with-stems-leaves-or-roots-t157.htm#157 http://crossacademy.webgoo.us/224-asexual-reproduction-f95/1-plants-can-reproduce-asexually-with-stems-leaves-or-roots-t157.htm http://crossacademy.webgoo.us/224-asexual-reproduction-f95/2-humans-can-produce-plants-with-desirable-traits-using-vegetative-structures-t156.htm Admin b.Accomplished by…
1.Cutting: using clippings from plant and planting/watering them
2.Grafting: joining vegetative structures from two or more plants together]]> 22.4- Asexual Reproduction Sun, 19 Apr 2009 14:16:35 GMT http://crossacademy.webgoo.us/224-asexual-reproduction-f95/2-humans-can-produce-plants-with-desirable-traits-using-vegetative-structures-t156.htm#156 http://crossacademy.webgoo.us/224-asexual-reproduction-f95/2-humans-can-produce-plants-with-desirable-traits-using-vegetative-structures-t156.htm http://crossacademy.webgoo.us/224-asexual-reproduction-f95/assesment-questions-t155.htm Admin 2. How do humans use plants' ability to reproduce asexually?
3. What are the differences and similarities between stolons and rhizomes?
4. What is a benefit of using propagated branches to grow fruits?
5. How does the genotype of an offspring produced through asexual reproduction compare with the parent plant's genotype?]]> 22.4- Asexual Reproduction Sun, 19 Apr 2009 14:15:42 GMT http://crossacademy.webgoo.us/224-asexual-reproduction-f95/assesment-questions-t155.htm#155 http://crossacademy.webgoo.us/224-asexual-reproduction-f95/assesment-questions-t155.htm http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/1-plant-hormones-regulate-plant-functions-t154.htm Admin a.Hormone: chemical messenger produced in one part of an organism that stimulates or suppresses the activity of cells in another part i.Direct functions (survival, reproductions) ii.Response to environment, internal changes b.Gibberellins i.Hormones that produce dramatic increase in size ii.Involved in ending seed dormancy-promote rapid growth c.Ethylene i.Hormone that causes ripening ii.Naturally produced by fruits d.Cytokinins i.Hormones that stimulate cytokinesis ii.Produced ... 22.5- Plant Hormones and Responses Sun, 19 Apr 2009 14:07:15 GMT http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/1-plant-hormones-regulate-plant-functions-t154.htm#154 http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/1-plant-hormones-regulate-plant-functions-t154.htm http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/2-plants-can-respond-to-light-touch-gravity-and-seasonal-changes-t153.htm Admin a.Phototropism: tendency of a plant to grow toward light b.Thigmotropism: response to touch, apparent in climbing plants and vines c.Gravitropism: up-and –down growth of plants, responding to Earth’s gravitational pull (auxins play a role here) d.Rapid responses: adaptations that help to protect plants from predators (venues fly trap) e.Photoperiodism: taking signals from the changing lengths of day and night throughout the year (example: deciduous trees-chlorophyll) 22.5- Plant Hormones and Responses Sun, 19 Apr 2009 14:06:24 GMT http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/2-plants-can-respond-to-light-touch-gravity-and-seasonal-changes-t153.htm#153 http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/2-plants-can-respond-to-light-touch-gravity-and-seasonal-changes-t153.htm http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/assesment-questions-t152.htm Admin 1. Describe two plant hormones that regulate plant growth and development. 2. Name and describe five ways in which plants can respond to their environment. 3. A vine grows sideways, twisting along a railing. What type of tropism is this plant exhibiting? 4. If you want full, bushy plants, which part of the plant would you trim to control auxin production in your favor? 5. Many trees in temperate climates lose their leaves before the long, cold winter. How is this ability an adaptation ... 22.5- Plant Hormones and Responses Sun, 19 Apr 2009 14:05:19 GMT http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/assesment-questions-t152.htm#152 http://crossacademy.webgoo.us/225-plant-hormones-and-responses-f96/assesment-questions-t152.htm http://crossacademy.webgoo.us/h-english-mrs-marston-f4/mrs-hand-s-notes-t149.htm Vera_Young HERE ARE THE VOCAB WORDS AND THEIR MEANINGS JUST INCASE YOU LOST THEM: Vocabulary words~ List one- Affable-easy to talk to, friendly I.E. think of a smiley face, or your best friend Altruistic-unselfish, concerned for the welfare of others I.E. a soup kitchen Ambidextrous-able to use both hands with equal ease I.E. being able to write with both hands LEGIABLY. Aromatic-fragrant, spicy, sweet-smelling **remember that Aromatic can mean both spicy and sweet** I.E an apple ... H. English- Mrs. Marston Thu, 09 Apr 2009 20:24:15 GMT http://crossacademy.webgoo.us/h-english-mrs-marston-f4/mrs-hand-s-notes-t149.htm#149 http://crossacademy.webgoo.us/h-english-mrs-marston-f4/mrs-hand-s-notes-t149.htm http://crossacademy.webgoo.us/ch-19-fungi-f80/i-can-t148.htm Admin -Compare fungi with other eukaryotic organisms -Explain why fungi are not part of the plant kingdom. -Describe how fungi obtain nutrients -Describe the characteristics of each phyla/group of fungi-and know examples -Explain the methods used by fungi for reproduction -Describe symbiotic relationships between fuguses and other organisms -Name and describe the types of lichens -explain how fungi can cause human disease -describe how fungi are important in ... Ch. 19- Fungi Tue, 31 Mar 2009 01:20:01 GMT http://crossacademy.webgoo.us/ch-19-fungi-f80/i-can-t148.htm#148 http://crossacademy.webgoo.us/ch-19-fungi-f80/i-can-t148.htm http://crossacademy.webgoo.us/ch-19-protists-f79/plant-like-protists-and-the-misfit-t147.htm Admin PhylumHabitat Metabolism Reproduction Special Structures/Characteristics Examples Chlorophyta Water or land, mostly in water, shallow water, photic zonePhotosynthesis- chlorophyll a and b Alteration of generation do not have roots, stems, or leaves Green algae Phaeophyta Marine; cold, deeper water, rocky Photosynthetic- chlorophyll cAlteration of generation - can grow 100m high - fucozanthin pigment allows photosynthesis in deep waters Brown algae, giant kelp Rhodophyta Deep ... Ch. 19- Protists Thu, 26 Mar 2009 02:19:34 GMT http://crossacademy.webgoo.us/ch-19-protists-f79/plant-like-protists-and-the-misfit-t147.htm#147 http://crossacademy.webgoo.us/ch-19-protists-f79/plant-like-protists-and-the-misfit-t147.htm http://crossacademy.webgoo.us/ch-19-protists-f79/fungus-like-protsist-t146.htm Admin Phylum Habitat Metabolism Reproduction Special Structures/ Characteristics Examples Aerasiomycota Water, moist soilDecomposers, heterotrophs Asexual in good conditions, sexual in stressful conditions where genetic diversity is needed -haploid, amoeboid cells -under stress, form multicellular colonies called “slugs” - each slug has a base, stalk, and swollen tip that develops spores Cellular slime mold Myxomycota Water, moist soil Decomposers, heterotrophs Asexual in good conditions, ... Ch. 19- Protists Tue, 24 Mar 2009 01:48:03 GMT http://crossacademy.webgoo.us/ch-19-protists-f79/fungus-like-protsist-t146.htm#146 http://crossacademy.webgoo.us/ch-19-protists-f79/fungus-like-protsist-t146.htm